“For all you Betans seem soft, you have an appalling cold-blooded streak in you.”

“I killed nobody that didn't deserve killing. In all of these here killings there was no alternative. You couldn't call them cold-blooded killings…. It was either my life or theirs.”

“Were you proposing to shoot these people in cold blood, sergeant?"
"Nossir. Just a warning shot inna head, sir.”

“Madam, you have bereft me of all words,
Only my blood speaks to you in my veins”

“You have to go the way your blood beats. If you don't live the only life you have, you won't live some other life, you won't live any life at all.”

“You could never know what it's like
Your blood like winter freezes just like ice
And there's a cold lonely light that shines from you
You'll wind up like the wreck you hide behind that mask you use”

“As for the coldness, I have never seen it like this. I mean, coldness that makes like it wants to kill you, like it's telling you, with its snow, that you should go back to where you came from.”

“Neurosis is no worse than a bad cold; you ache all over, and it's made you a mess, but you won't die from it.”

“I know Shadowhunters. I have for a long time. You are odd creatures. All fragile nobility and humanity on one side, and all the thoughtless fire of angels on the other. You especially, Herondale, for you have the fire of angels in your blood.”

“If you have love, even plain cold water is sweet.”